McMaster University Archives for the History of Economic Thought
"This archive is an attempt to collect in one place a large number of significant texts in the history of economic thought.. . . .The texts are posted primarily for the use of students who might not otherwise have access to these writings. They are to be used strictly for non-commercial educational purposes."--McMaster U. Classic economic texts by over 100 authors are available full text.
Link to resource:
McMaster University Archives for the History of Economic Thought
Fulltext available: Primary Sources (Historical)